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Merino Wool Socks Built to Last & Guaranteed for life

We make merino wool socks to inspire you to get outside. Made in the USA, our breathable, comfortable and durable merino wool socks are backed by a lifetime guarantee.

We’ve all had that nagging feeling — miles into a hike, or several runs into your day on the slopes — where something just doesn’t feel right. A bunched toe, a slouched sock, a rubbing seam: the tiny distractions that get on our nerves. 


With Cloudline socks, you can enjoy your adventures without those annoyances. Because what you wear shouldn’t slow you down — it should support you all the way to the Cloudline.

Give the Gift of Adventure with Warm Socks for Everyone on Your List - Save 20% with code: WINTERFUN

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As an outdoor adventurer, you need your gear to work as hard as you do. 

The glory of summiting a mountain peak shouldn’t be shadowed by a week of hobbling on blistered feet. Feel as inspired on your final mile as you did on your first with Cloudline moisture-wicking merino wool socks. Stay dry, cool, and comfortable on the most epic of adventures.

  • Merino sheep grazing in mountains

    RESPONSIBLE MERINO

    We only source merino produced under the Responsible Wool Standard to ensure animal welfare and sustainable land use.

  • Man pulling on a pair of Cloudline socks showing American Made knit inside the cuff.

    AMERICAN MADE QUALITY

    We make our socks in the USA because you can't beat the quality of American manufacturing.

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  • Man wearing Cloudline socks sitting in van sliding doorway next to snowboard and petting dog.

    LIFETIME GUARANTEE

    Cloudline socks are thru-hiker tested for durability you can count on and covered by a lifetime guarantee.

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  • Backpacker wearing Cloudline socks hiking towards Mt Rainier.

    ADVENTURE INSPIRATION

    Find inspiration and tips for your next adventure on the Cloudline Outdoor Blog.

    EXPLORE THE BLOG 
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ADVENTURES ARE BEST WHEN SHARED

Check out the epic adventures our customers share on instagram wearing their #cloudlinesocks